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Cournot duopoly and insider trading with two insiders

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  • Wassim Daher

    ()
    (CERMSEM)

  • Leonard J. Mirman

    ()
    (University of Virginia)

Abstract

In this paper, we study a version of the static Jain-Mirman (2002) model in which competition in the real sector is introduced. In this paper, we add competition in the stock sector to the Jain-Mirman (2002) paper. We show that the linear equilibrium structure is affected by this competition in the financial sector. Specifically, we show that the stock price set by the market maker reveals more information and that the behaviour of the profits of the manager depends on the parameters of the model. Moreover, we prove that the level of output produced by the manager is less than in Jain-Mirman (2002). Finally, we also study the case in which the market maker receives only one signal and analyze the comparative statics of this model when the market maker receives either one or two signals.

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File URL: ftp://mse.univ-paris1.fr/pub/mse/cahiers2004/B04077.pdf
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Bibliographic Info

Paper provided by Université Panthéon-Sorbonne (Paris 1) in its series Cahiers de la Maison des Sciences Economiques with number b04077.

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Length: 21 pages
Date of creation: Sep 2004
Date of revision:
Handle: RePEc:mse:wpsorb:b04077

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Keywords: Insider trading; stock prices; correlated signals; Kyle model.;

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References

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  1. James Dow & Rohit Rahi, 1996. "Informed Trading, Investment and Welfare," Archive Working Papers 029, Birkbeck, Department of Economics, Mathematics & Statistics.
  2. Jain, Neelam & Mirman, Leonard J., 2002. "Effects of insider trading under different market structures," The Quarterly Review of Economics and Finance, Elsevier, vol. 42(1), pages 19-39.
  3. Baiman, Stanley & Verrecchia, Robert E., 1995. "Earnings and price-based compensation contracts in the presence of discretionary trading and incomplete contracting," Journal of Accounting and Economics, Elsevier, vol. 20(1), pages 93-121, July.
  4. Holmstrom, Bengt & Tirole, Jean, 1993. "Market Liquidity and Performance Monitoring," Journal of Political Economy, University of Chicago Press, vol. 101(4), pages 678-709, August.
  5. Leonard J. Mirman & Neelam Jain, 2000. "Real and financial effects of insider trading with correlated signals," Economic Theory, Springer, vol. 16(2), pages 333-353.
  6. Wassim Daher & Leonard J. Mirman, 2004. "Market structure and insider trading," Cahiers de la Maison des Sciences Economiques b04025, Université Panthéon-Sorbonne (Paris 1).
  7. Manove, Michael, 1989. "The Harm from Insider Trading and Informed Speculation," The Quarterly Journal of Economics, MIT Press, vol. 104(4), pages 823-45, November.
  8. Leland, Hayne E, 1992. "Insider Trading: Should It Be Prohibited?," Journal of Political Economy, University of Chicago Press, vol. 100(4), pages 859-87, August.
  9. Jain, Neelam & Mirman, Leonard J., 1999. "Insider trading with correlated signals," Economics Letters, Elsevier, vol. 65(1), pages 105-113, October.
  10. Rochet, Jean-Charles & Vila, Jean-Luc, 1994. "Insider Trading without Normality," Review of Economic Studies, Wiley Blackwell, vol. 61(1), pages 131-52, January.
  11. Holden, Craig W & Subrahmanyam, Avanidhar, 1992. " Long-Lived Private Information and Imperfect Competition," Journal of Finance, American Finance Association, vol. 47(1), pages 247-70, March.
  12. Foster, F Douglas & Viswanathan, S, 1993. "The Effect of Public Information and Competition on Trading Volume and Price Volatility," Review of Financial Studies, Society for Financial Studies, vol. 6(1), pages 23-56.
  13. Creane, Anthony, 1994. "Experimentation with Heteroskedastic Noise," Economic Theory, Springer, vol. 4(2), pages 275-86, March.
  14. Ausubel, Lawrence M, 1990. "Insider Trading in a Rational Expectations Economy," American Economic Review, American Economic Association, vol. 80(5), pages 1022-41, December.
  15. Kyle, Albert S, 1985. "Continuous Auctions and Insider Trading," Econometrica, Econometric Society, vol. 53(6), pages 1315-35, November.
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Citations

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Cited by:
  1. repec:hal:cesptp:halshs-00653971 is not listed on IDEAS
  2. repec:hal:journl:halshs-00653971 is not listed on IDEAS
  3. Karam, Fida & Daher, Wassim, 2013. "Insider trading in a two-tier real market structure model," The Quarterly Review of Economics and Finance, Elsevier, vol. 53(1), pages 44-52.
  4. Leonard F.S. Wang & Ya-Chin Wang, 2010. "Stackelberg real-leader in an insider trading model," Studies in Economics and Finance, Emerald Group Publishing, vol. 27(1), pages 30-46, March.
  5. Wang, Leonard F.S. & Wang, Ya-Chin & Ren, Shuang, 2009. "Stackelberg financial-leader in insider trading model," International Review of Economics & Finance, Elsevier, vol. 18(1), pages 123-131, January.
  6. Park, Young S. & Lee, Jaehyun, 2010. "Detecting insider trading: The theory and validation in Korea Exchange," Journal of Banking & Finance, Elsevier, vol. 34(9), pages 2110-2120, September.
  7. repec:hal:cesptp:halshs-00676502 is not listed on IDEAS
  8. repec:hal:journl:halshs-00639657 is not listed on IDEAS
  9. Wassim Daher & Harun Aydilek & Fida Karam & Asiye Adydilek, 2012. "Insider trading with product differentiation," Documents de travail du Centre d'Economie de la Sorbonne 12014, Université Panthéon-Sorbonne (Paris 1), Centre d'Economie de la Sorbonne.
  10. repec:hal:cesptp:halshs-00639657 is not listed on IDEAS
  11. repec:hal:journl:halshs-00676502 is not listed on IDEAS
  12. Wassim Daher & Fida Karam & Leonard J. Mirman, 2011. "Insider trading with different market structures," Documents de travail du Centre d'Economie de la Sorbonne 11056, Université Panthéon-Sorbonne (Paris 1), Centre d'Economie de la Sorbonne.

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